is a county
located in the U.S. state
of South Carolina
. The 2000 census
recorded its population to be 23,478, while a 2005 the U.S. Census Bureau
estimated that its population had reached 23,345. Its county seat
According to the U.S. Census Bureau
, the county has a total area of 557 square miles
), of which, 548 square miles (1,420 km²) of it is land and 9 square miles (23 km²) of it (1.59%) is water.
Barnwell County was formed in 1798. It was named after John Barnwell
, a local figure in the Revolutionary War.
As of the census
of 2000, there were 23,478 people, 9,021 households, and 6,431 families residing in the county. The population density
was 43 people per square mile (17/km²). There were 10,191 housing units at an average density of 19 per square mile (7/km²). The racial makeup of the county was 55.18% White
, 42.55% Black
or African American
, 0.35% Native American
, 0.39% Asian
, 0.03% Pacific Islander
, 0.78% from other races
, and 0.72% from two or more races. 1.39% of the population were Hispanic
of any race.
There were 9,021 households out of which 34.80% had children under the age of 18 living with them, 47.40% were married couples living together, 19.30% had a female householder with no husband present, and 28.70% were non-families. 25.60% of all households were made up of individuals and 10.20% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.08.
In the county, the population was spread out with 28.10% under the age of 18, 8.70% from 18 to 24, 27.90% from 25 to 44, 22.60% from 45 to 64, and 12.60% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 92.70 males. For every 100 females age 18 and over, there were 86.50 males.
The median income for a household in the county was $28,591, and the median income for a family was $35,866. Males had a median income of $31,161 versus $21,904 for females. The per capita income for the county was $15,870. About 17.90% of families and 20.90% of the population were below the poverty line, including 27.30% of those under age 18 and 24.40% of those age 65 or over.
Cities and towns